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Thread: Light weight adjustable cam gears

  1. #1
    zentac's Avatar

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    Light weight adjustable cam gears

    If you haven't seen already CDFRacing has offered to make us a set of adjustable cam pulleys

    http://www.clubvr4.com/forum/showthread.php?t=22332

    Looking at the prices on the website I would guess they will be in the region of £150 - £200. Chris please correct me if Im wrong.

    How many people would be interested price dependant of course.


    1. zentac
    Richard Batty
    2.5ltr V6 Turbo FTO

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    Hi,


    I will post a price as soon as I know.

    Thankyou

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    Me! Plus shipping to NZ of course

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    Not just for me

    But to anyone else out there, that isn't completely Up to Speed on "ADJUSTABLE CAM GEARS"

    But what "EXACTLY" will be all the benefits of having these
    http://www.clubvr4.com/forum/showthr...-or-Moderators

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  5. #5
    zentac's Avatar

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    They allow you to adjust the cam timing, similar to putting new cams in but to a much lesser degree. These with new cams give you a greater variable range.

  6. #6
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    Quote Originally Posted by zentac
    They allow you to adjust the cam timing, similar to putting new cams in but to a much lesser degree. These with new cams give you a greater variable range.
    Hey !!

    I could of read that anywhere and is nothing that i didn't already know

    And doesn't explain in Basic terms exactly what they do !!

    What are the benefits of "NEW CAMS" ??? New as in shiny ?? New as in more expensive ?? If i put a New Tyre on my car !! It doesn't mean it makes my car go any faster !!

    But as i already asked.. !!!

    What "EXACTLY" are the benefits of having these ??

    Talking in terms of Power increase of the engine ?? And how ?? And will it benefit a Standard engine ?? And how much more will it benefit a Modded engine over a Standard engine ??

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    new cams - lets you adjust the time that the valves are open and by how much they open up by.

    adjustable cam gears will let you adjust when the cams are open, and they will give you a little bit more power.

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    so its like a well marketed way of smashing your pistons on your valves?
    .

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    it's a well marketed way of getting your valves as close as possible to hitting your pistons

    Remember though that when they are most open the piston won't be at top dead centre anyway, it will be halfway through it's stroke

  10. #10
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    ok chris has come back with a price.

    Quote for :
    Cam pulley 20 - 40 pulleys (5-10) Kits In He30 ally.


    £45.00 per pulley (Non adjustable )

    £13 Stainless Adjustable insert

    Hard Anodise £15 per Kit

    Colour anodise £14 per kit

    Lead time 2-3 weeks

  11. #11
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    Hi,
    Sorry for being dense, but am I right in saying that one hard anodised, adjustable pulley would be £73.

    So £292 for 4

    Does that include vat?, ta
    Updating Soon!! 1998 Legnum VR4, fully serviced every 4500 miles. Fully Amsoil'd. Falken 453's, EVO 8 FQ320 rear diff.

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    yeah what louis said^^^

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    Hi ,


    The hard anodising is for all four pulleys .. as there would be no point for only having one done, also we don't anodise in house so this price include's postage to and from the anodisers

    Prices are little more expensive than first thought as it is a non standard toothform and we will have to rent a cutter..

    Chris

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    Price include's vat

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    Cool, so, going for all the options, 4 x pulleys (£45), + 4 x stainless adjustable inserts(£13), + all four hard anodised(£15), + all four colour anodised(£15), = £262.

    If no colour anodising, are they light or dark metal? (doesn't matter really, but just wondering,), ta

  16. #16

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    anodising is just putting something on the surface isn't it? So it isn't really needed at all imho.

  17. #17
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    I will take a adjustable set in blue.

  18. #18
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    I thought that hard anodising was hardening the metal

  19. #19
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    Glenn - when I did the cam timing on my 620ti I found that it was impossible to get all of the timing marks absolutely spot on and in the end had to settle on one pulley being a quarter of a tooth out. When Andy and I did it on the VR-4 engine we managed to get them pretty spot on but I seem to remember one cam was very, very slightly out. If you had adjustable pulleys you would be able to adjust them so that they were absolutely perfect. Also, as others have said, you can also advance or retard the cam timing if you were getting the car setup on a rolling road - so that could equate to more power.

    Just my 2p's worth ...
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  20. #20
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    Quote Originally Posted by Louis
    I thought that hard anodising was hardening the metal
    It is
    Anodising is a very fine layer of "rust"
    When you Anodise something you are oxidising the surface
    It is to increase corrosion resistance, increase wear resistance, allow dyeing ( most important. Anodization changes the the surface on a microscopic/crystal structure
    No longer a VR4 owner

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